STEREO LET LEVEL 1 Helium data for ahead spacecraft, for 2015-053 Verified Data - OK to distribute File created: Sun Apr 26 10:36:48 PDT 2015 Created by: Caltech Space Radiation Lab Level 1 software version 11 Time Resolution: 1 minute (highest LET instrument resolution) Note: Timestamps mark beginning of data accumulation interval Column 1: Year Column 2: Day of year (fractional) Column 3: Hour of day Column 4: Minute of hour Column 5: Second of minute Column 6: LET dynamic threshold state (0 - 3) Column 7: LET Livetime (seconds) Column 8: 2.2 - 2.7 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 9: 2.7 - 3.2 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 10: 3.2 - 3.6 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 11: 3.6 - 4.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 12: 4.0 - 4.5 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 13: 4.5 - 5.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 14: 5.0 - 6.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 15: 6.0 - 8.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 16: 8.0 - 10.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 17: 10.0 - 12.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 18: 12.0 - 15.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 19 - 29: 11 He counts , same energy ranges as above (counts/minute) Bad/missing data are filled with -1.0E+31 for floating point, -2147483647 for integers BEGIN DATA 2015 53.843924 20 15 15 0 58.8210 5.9547E-02 2.5520E-02 3.1900E-02 1.0633E-02 0.0000E+00 0.0000E+00 4.2534E-03 2.1267E-03 0.0000E+00 0.0000E+00 -1.0000E+31 7 3 3 1 0 0 1 1 0 0 -2147483647 2015 53.847396 20 20 15 0 58.8303 8.5054E-02 0.0000E+00 3.1895E-02 1.0632E-02 8.5054E-03 8.5054E-03 8.5054E-03 2.1263E-03 0.0000E+00 0.0000E+00 -1.0000E+31 10 0 3 1 1 1 2 1 0 0 -2147483647 2015 53.850868 20 25 15 0 58.7498 7.6654E-02 4.2585E-02 4.2585E-02 1.0646E-02 8.5171E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 9 5 4 1 1 0 0 0 0 0 -2147483647 2015 53.854340 20 30 15 0 58.7163 1.0226E-01 3.4088E-02 3.1957E-02 3.1957E-02 1.7044E-02 0.0000E+00 8.5219E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 12 4 3 3 2 0 2 0 0 0 -2147483647 2015 53.857813 20 35 15 0 58.7888 5.9580E-02 2.5534E-02 2.1279E-02 1.0639E-02 0.0000E+00 8.5114E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 7 3 2 1 0 1 0 0 0 0 -2147483647 2015 53.861285 20 40 15 0 58.8111 1.7016E-02 6.8065E-02 1.0635E-02 0.0000E+00 1.7016E-02 8.5082E-03 0.0000E+00 2.1270E-03 0.0000E+00 0.0000E+00 -1.0000E+31 2 8 1 0 2 1 0 1 0 0 -2147483647 2015 53.868229 20 50 15 0 58.7305 2.5560E-02 3.4079E-02 2.1300E-02 1.0650E-02 8.5199E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 3 4 2 1 1 0 0 0 0 0 -2147483647 2015 53.871701 20 55 15 0 58.7882 1.7023E-02 4.2557E-02 0.0000E+00 0.0000E+00 0.0000E+00 8.5115E-03 4.2557E-03 2.1279E-03 0.0000E+00 0.0000E+00 -1.0000E+31 2 5 0 0 0 1 1 1 0 0 -2147483647 2015 53.875174 21 0 15 0 58.7550 5.1098E-02 8.5163E-03 3.1936E-02 0.0000E+00 0.0000E+00 0.0000E+00 4.2582E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 6 1 3 0 0 0 1 0 0 0 -2147483647 2015 53.937674 22 30 15 0 58.5198 3.4202E-02 3.4202E-02 0.0000E+00 1.0688E-02 1.7101E-02 0.0000E+00 4.2753E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 4 4 0 1 2 0 1 0 0 0 -2147483647